Article(id=1156987905882280102, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1156888345994420815, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1753777012558, onlineDateStr=2025-07-29, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753777012558, onlineIssueDateStr=2025-07-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753777012558, creator=13701087609, updateTime=1753777012558, updator=13701087609, issue=Issue{id=1156888345994420815, tenantId=1146029695717560320, journalId=1146119944283992078, year='2024', volume='2', issue='5', pageStart='1', pageEnd='160', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1753753275630, creator=13701087609, updateTime=1753785212113, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1157022297358951363, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1156888345994420815, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1157022297358951364, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1156888345994420815, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=10, endPage=13, ext={EN=ArticleExt(id=1156987906389790889, articleId=1156987905882280102, tenantId=1146029695717560320, journalId=1146119944283992078, language=EN, title=Comparison of two detection methods for ammonium ions content in ambient air PM
2.5, columnId=1156641065621906129, journalTitle=Laboratory Testing, columnName=Innovative Applications, runingTitle=null, highlight=null, articleAbstract=
Objective Comparison of two methods for determining ammonium ion content in ambient air${\mathrm{{PM}}}_{2.5}$. Methods $1/4$ of the quartz filter membrane used to collect ambient air particles${\mathrm{{PM}}}_{2.5}$ was cut into pieces, and ultrasound extracted by ultra-pure water, then centrifuged and filtered, and last the content of ammonium ion in${\mathrm{{PM}}}_{2.5}$ was respectively determined by flow injection method and ion chromatography. Result The fitting curve of${\mathrm{{NH}}}_{4}^{+ }$ measured by ion chromatography in the range of${0.5}\sim {10.0}\mathrm{{mg}}/\mathrm{L}$ is$\mathrm{y}= {0.0710}+ {0.2214}\mathrm{x}- {0.0058}{\mathrm{x}}^{2},\mathrm{r}= {0.9997}$ . The detection limit of${\mathrm{{NH}}}_{4}^{+ }$ in${\mathrm{{PM}}}_{2.5}$ is calculated to be${0.017}\mathrm{{\mu g}}/{\mathrm{m}}^{3}$ , with a quantification limit of${0.068\mu }\mathrm{g}/{\mathrm{m}}^{3}$ , the recovery rate is between${91.0}\%\sim {96.6}\%$ , and the RSD is${0.05}\%\sim {0.08}\%\left({\mathrm{n}= 6}\right)$ . The linear relationship of ammonium ion concentration measured by flow injection analysis in the range of${0.02}\sim {1.00}\mathrm{{mg}}/\mathrm{L}$ is good, with$\mathrm{y}= {22.576}\mathrm{x}+ {0.1333},\mathrm{r}= {0.9999}$ . The detection limit is${0.003}\mathrm{{\mu g}}/{\mathrm{m}}^{3}$ , and the quantification limit is${0.012\mu }\mathrm{g}/{\mathrm{m}}^{3}$ with the recovery rate of${105}\%\sim {114}\%$ and the RSD between${0.54}\%\sim {2.06}\%\left({\mathrm{n}= 6}\right)$ . Using the two methods to measure 16 filter membrane samples, there was no statistically significant difference in the measurement results$\left({\mathrm{t}= {1.080},\mathrm{P}> {0.05}}\right)$. Conclusion Both of the two methods have a good linear relationship, with good precision and accuracy. Compared with ion chromatography, flow injection analysis has the advantages of lower detection limit and shorter detection time.
, correspAuthors=De-Feng CHI, authorNote=null, correspAuthorsNote=
*CHI De-Feng, Master, Physician-In-Charge, Tai'an City Center for Disease Control and Prevention, Tai'an 271000, China. E-mail:
chidefeng1118@163.com, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Jing CAO, Hao YU, Guo-Qiang WANG, De-Feng CHI), CN=ArticleExt(id=1156987929743675842, articleId=1156987905882280102, tenantId=1146029695717560320, journalId=1146119944283992078, language=CN, title=环境空气${\mathrm{{PM}}}_{2.5}$中铵离子含量的两种检测方法比较, columnId=1151957373175820401, journalTitle=实验室检测, columnName=创新应用, runingTitle=null, highlight=null, articleAbstract=
目的 比较离子色谱法与流动注射分析法测定环境空气${\mathrm{{PM}}}_{2.5}$ 中铵离子含量。方法 采集环境空气颗粒物${\mathrm{{PM}}}_{2.5}$ 的石英滤膜,各取$1/4$ 剪碎后经超纯水超声提取,离心过滤,分别用流动注射法和离子色谱法测定${\mathrm{{PM}}}_{2.5}$ 中铵离子的含量。结果 离子色谱法测定${\mathrm{{NH}}}_{4}^{+ }$ 在${0.5}\sim {10.0}\mathrm{{mg}}/\mathrm{L}$ 范围内拟合曲线为$\mathrm{y}= {0.0710}+{0.2214}\mathrm{x}- {0.0058}{\mathrm{x}}^{2}$ ,$\mathrm{r}= {0.9997}$ ,检出限${0.017}\mathrm{{\mu g}}/{\mathrm{m}}^{3}$ ,定量限${0.068}\mathrm{{\mu g}}/{\mathrm{m}}^{3}$ ,回收率${91.0}\%\sim {96.6}\%,\mathrm{{RSD}}{0.05}\%\sim {0.08}\%\left({\mathrm{n}=6}\right)$ ; 流动注射法测定${\mathrm{{NH}}}_{4}^{+ }$ 在${0.02}\sim {1.00}\mathrm{{mg}}/\mathrm{L}$ 范围内线性关系良好,$\mathrm{y}={22.576}\mathrm{x}+ {0.1333},\mathrm{r}= {0.9999}$ ,检出限${0.003\mu }\mathrm{g}/{\mathrm{m}}^{3}$ ,定量限${0.012\mu }\mathrm{g}/{\mathrm{m}}^{3}$ , 加标回收率为 105%~114%, RSD 在 0.54%~2.06%(n=6)之间。利用两种方法同时测定 16 份滤膜样本,测定结果差异无统计学意义$\left({\mathrm{t}= {1.080},\mathrm{P}>{0.05}}\right)$ 。结论 两种方法均具有良好的线性关系、精密度及准确度,流动注射分析法与离子色谱法相比有检出限低,检测时间短等优势。
, correspAuthors=郗德凤, authorNote=null, correspAuthorsNote=
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 |
曹静,硕士,副主任技师,主要研究方向为卫生检验。 |
 |
郗德凤,硕士,主管医师,质量管理科副主任,研究方向为卫生检验检测。 |
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2016, 1-7., articleTitle=HJ800-2016环境空气颗粒物中水溶性阳离子(Li⁺、Na+、NH₄⁺、K+、Ca2+、Mg2+) 的测定 离子色谱法, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1156987940267184723, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156987905882280102, xref=1, ext=[AuthorCompanyExt(id=1156987940313322068, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156987905882280102, companyId=1156987940267184723, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 Tai' an City Center for Disease Control and Prevention Tai' an 271000 China), AuthorCompanyExt(id=1156987940321710678, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156987905882280102, companyId=1156987940267184723, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 德州市疾病预防控制中心 德州 253016)]), AuthorCompany(id=1156987940397208152, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156987905882280102, xref=2, ext=[AuthorCompanyExt(id=1156987940401402457, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156987905882280102, companyId=1156987940397208152, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 泰安市疾病预防控制中心 泰安 271000)])], figs=[ArticleFig(id=1156987945250017990, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156987905882280102, language=EN, label=Fig. 1, caption=
Spectra of ammonium ion in air filter membrane determined by ion chromatography, figureFileSmall=hnjOlVPnFjPOgPPBwEMYnA==, figureFileBig=L9ByQEKHd7i1PcIGSLKX5g==, tableContent=null), ArticleFig(id=1156987945300349640, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156987905882280102, language=CN, label=图 1, caption=
离子色谱法测定空气滤膜中铵根离子样品谱图, figureFileSmall=hnjOlVPnFjPOgPPBwEMYnA==, figureFileBig=L9ByQEKHd7i1PcIGSLKX5g==, tableContent=null), ArticleFig(id=1156987945350681290, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156987905882280102, language=EN, label=Table 1, caption=
Detection results of ammonium ion in ambient air ${\mathrm{{PM}}}_{2.5}$ by two methods, figureFileSmall=null, figureFileBig=null, tableContent=
| 检测方法 | 线性范围 | 标准曲线 | 相关系数(r) | 检出限 (mg/L) | 方法检出限 $\left({\mu \mathrm{g}/{\mathrm{m}}^{3}}\right)$ | 方法定量限 $\left({\mu \mathrm{g}/{\mathrm{m}}^{3}}\right)$ |
| 离子色谱法 | 0.5 ~10.0 mg/L | y=0.0710+0.2214x-0.0058 ${\mathrm{x}}^{2}$ | $r ={0.9997}$ | 0.05 | 0.017 | 0.068 |
| 流动注射法 | 0.02 ~1.00 mg/L | y=22.576x+0.1333 | $r ={0.9999}$ | 0.01 | 0.003 | 0.012 |
), ArticleFig(id=1156987945426178764, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156987905882280102, language=CN, label=表 1, caption=
两种方法测定环境空气 ${\mathrm{{PM}}}_{2.5}$ 中铵离子的检测结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 检测方法 | 线性范围 | 标准曲线 | 相关系数(r) | 检出限 (mg/L) | 方法检出限 $\left({\mu \mathrm{g}/{\mathrm{m}}^{3}}\right)$ | 方法定量限 $\left({\mu \mathrm{g}/{\mathrm{m}}^{3}}\right)$ |
| 离子色谱法 | 0.5 ~10.0 mg/L | y=0.0710+0.2214x-0.0058 ${\mathrm{x}}^{2}$ | $r ={0.9997}$ | 0.05 | 0.017 | 0.068 |
| 流动注射法 | 0.02 ~1.00 mg/L | y=22.576x+0.1333 | $r ={0.9999}$ | 0.01 | 0.003 | 0.012 |
), ArticleFig(id=1156987945505870542, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156987905882280102, language=EN, label=Table 2, caption=
The comparison of recovery rate of two detection methods $\left({n = 6}\right)$, figureFileSmall=null, figureFileBig=null, tableContent=
| 检测方法 | 本底值 (mg/L) | 加标量 (mg/L) | 测定值 (mg/L) | 加标回收率 (%) | RSD (%) |
| 离子色谱法 | <0.05 | 1.00 | 0.91 | 91.0 | 0.08 |
| 2.00 | 1.93 | 96.5 | 0.05 |
| 5.00 | 4.83 | 96.6 | 0.06 |
| 流动注射法 | 0.02 | 0.0228 | 114 | 2.06 |
| <0.01 | 0.10 | 0.106 | 106 | 1.14 |
| 0.50 | 0.525 | 105 | 0.54 |
), ArticleFig(id=1156987945560396496, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156987905882280102, language=CN, label=表 2, caption=
两种检测方法加标回收率比较 $\left({n = 6}\right)$, figureFileSmall=null, figureFileBig=null, tableContent=
| 检测方法 | 本底值 (mg/L) | 加标量 (mg/L) | 测定值 (mg/L) | 加标回收率 (%) | RSD (%) |
| 离子色谱法 | <0.05 | 1.00 | 0.91 | 91.0 | 0.08 |
| 2.00 | 1.93 | 96.5 | 0.05 |
| 5.00 | 4.83 | 96.6 | 0.06 |
| 流动注射法 | 0.02 | 0.0228 | 114 | 2.06 |
| <0.01 | 0.10 | 0.106 | 106 | 1.14 |
| 0.50 | 0.525 | 105 | 0.54 |
), ArticleFig(id=1156987945707197138, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156987905882280102, language=EN, label=Table 3, caption=
Comparison of the results of two methods for determining ammonium ions in ${\mathrm{{PM}}}_{25}$ in two urban areas of Dezhou City in a month, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品编号 | 离子色谱法测定结果 $\left({\mu \mathrm{g}/{\mathrm{m}}^{3}}\right)$ | 流动注射法测定结果 $\left({\mu \mathrm{g}/{\mathrm{m}}^{3}}\right)$ |
| 1 | 1.16 | 1.17 |
| 2 | 1.69 | 1.62 |
| 3 | 0.87 | 0.90 |
| 4 | 0.79 | 0.76 |
| 5 | 0.69 | 0.67 |
| 6 | 0.98 | 0.97 |
| 7 | 1.75 | 1.78 |
| 8 | 1.81 | 1.86 |
| 9 | 1.00 | 1.01 |
| 10 | 0.95 | 0.98 |
| 11 | 1.64 | 1.67 |
| 12 | 1.54 | 1.57 |
| 13 | 0.89 | 0.87 |
| 14 | 0.64 | 0.64 |
| 15 | 1.00 | 1.04 |
| 16 | 2.35 | 2.41 |
| t 值 | | 1.080 |
| P 值 | | >0.05 |
), ArticleFig(id=1156987945782694616, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156987905882280102, language=CN, label=表 3, caption=
两种方法分别测定德州市两城区某月 ${\mathrm{{PM}}}_{2.5}$ 中铵离子结果比较, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品编号 | 离子色谱法测定结果 $\left({\mu \mathrm{g}/{\mathrm{m}}^{3}}\right)$ | 流动注射法测定结果 $\left({\mu \mathrm{g}/{\mathrm{m}}^{3}}\right)$ |
| 1 | 1.16 | 1.17 |
| 2 | 1.69 | 1.62 |
| 3 | 0.87 | 0.90 |
| 4 | 0.79 | 0.76 |
| 5 | 0.69 | 0.67 |
| 6 | 0.98 | 0.97 |
| 7 | 1.75 | 1.78 |
| 8 | 1.81 | 1.86 |
| 9 | 1.00 | 1.01 |
| 10 | 0.95 | 0.98 |
| 11 | 1.64 | 1.67 |
| 12 | 1.54 | 1.57 |
| 13 | 0.89 | 0.87 |
| 14 | 0.64 | 0.64 |
| 15 | 1.00 | 1.04 |
| 16 | 2.35 | 2.41 |
| t 值 | | 1.080 |
| P 值 | | >0.05 |
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